#!/usr/bin/env sh

BAR_HEIGHT=22  # polybar height
BORDER_SIZE=1  # border size from your wm settings
YAD_WIDTH=222  # 222 is minimum possible value
YAD_HEIGHT=193 # 193 is minimum possible value
DATE="%{T9}%{T-} $(date +"%e %B")"

case "$1" in
--popup)
	if [ "$(xdotool getwindowfocus getwindowname)" = "yad-calendar" ]; then
		exit 0
	fi

	eval "$(xdotool getmouselocation --shell)"
	eval "$(xdotool getdisplaygeometry --shell)"

	# X
	if [ "$((X + YAD_WIDTH / 2 + BORDER_SIZE))" -gt "$WIDTH" ]; then #Right side
		: $((pos_x = WIDTH - YAD_WIDTH - BORDER_SIZE))
	elif [ "$((X - YAD_WIDTH / 2 - BORDER_SIZE))" -lt 0 ]; then #Left side
		: $((pos_x = BORDER_SIZE))
	else #Center
		: $((pos_x = X - YAD_WIDTH / 2))
	fi

	# Y
	if [ "$Y" -gt "$((HEIGHT / 2))" ]; then #Bottom
		: $((pos_y = HEIGHT - YAD_HEIGHT - BAR_HEIGHT - BORDER_SIZE))
	else #Top
		: $((pos_y = BAR_HEIGHT + BORDER_SIZE))
	fi

	yad --calendar --undecorated --fixed --close-on-unfocus --no-buttons \
		--width=$YAD_WIDTH --height=$YAD_HEIGHT --posx=$pos_x --posy=$pos_y \
		--title="yad-calendar" --borders=0 >/dev/null &
	;;
*)
	echo "$DATE"
	;;
esac
